Marathon Petroleum Corporation
MX ˙ BMV ˙ US56585A1025
SecurityMX:MPC / Marathon Petroleum Corporation
InstitutionClarius Group, LLC
Latest Disclosed Ownership2,822 shares
Latest Disclosed Value $ 458,942
Clarius Group, LLC ownership in MPC / Marathon Petroleum Corporation

On January 14, 2026 - Clarius Group, LLC filed a 13F-HR form disclosing ownership of 2,822 shares of Marathon Petroleum Corporation (MX:MPC) valued at $458,942 USD as of December 31, 2025. The entity filed a previous 13F-HR on October 14, 2025 disclosing 2,822 shares of Marathon Petroleum Corporation. This represents a change in shares of 0.00% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-01-14 2025-12-31 13F MARATHON PETE COM 56585A102 2,822 0 0.00 459 -15.65 0.0262
2025-10-14 2025-09-30 13F MARATHON PETE COM 56585A102 2,822 -1,195 -29.75 544 -18.59 0.0322
2025-07-22 2025-06-30 13F MARATHON PETE COM 56585A102 4,017 148 3.83 667 18.47 0.0389
2025-04-18 2025-03-31 13F MARATHON PETE COM 56585A102 3,869 -137 -3.42 564 0.90 0.0354
2025-01-16 2024-12-31 13F MARATHON PETE COM 56585A102 4,006 -214 -5.07 559 -17.33 0.0382
2024-10-09 2024-09-30 13F MARATHON PETE COM 56585A102 4,220 -125 -2.88 676 -10.36 0.0474
2024-07-11 2024-06-30 13F MARATHON PETE COM 56585A102 4,345 -297 -6.40 754 -19.47 0.0534
2024-04-17 2024-03-31 13F MARATHON PETE COM 56585A102 4,642 -661 -12.46 935 18.96 0.0646
2024-01-29 2023-12-31 13F MARATHON PETE COM 56585A102 5,303 -602 -10.19 787 -11.98 0.0652
2023-10-19 2023-09-30 13F MARATHON PETE COM 56585A102 5,905 -1,660 -21.94 894 1.25 0.0852
2023-08-10 2023-06-30 13F MARATHON PETE COM 56585A102 7,565 -122 -1.59 882 -14.86 0.0682
2023-04-17 2023-03-31 13F MARATHON PETE COM 56585A102 7,687 -1,160 -13.11 1,036 103,500.00 0.0880
2023-01-25 2022-12-31 13F MARATHON PETE COM 56585A102 8,847 -13 -0.15 1 -99.89 0.0928
2022-10-24 2022-09-30 13F MARATHON PETE COM 56585A102 8,860 -710 -7.42 880 11.82 0.0880
2022-08-10 2022-06-30 13F MARATHON PETE COM 56585A102 9,570 60 0.63 787 29.23 0.0785
2022-04-08 2022-03-31 13F MARATHON PETE COM 56585A102 9,510 0 0.00 609 0.00 0.0482
2022-02-02 2021-12-31 13F MARATHON PETE COM 56585A102 9,510 107 1.14 609 4.82 0.0482
2021-10-18 2021-09-30 13F MARATHON PETE COM 56585A102 9,403 335 3.69 581 6.02 0.0520
2021-08-06 2021-06-30 13F MARATHON PETE COM 56585A102 9,068 91 1.01 548 14.17 0.0492
2021-04-27 2021-03-31 13F MARATHON PETE COM 56585A102 8,977 448 5.25 480 35.98 0.0470
2021-01-15 2020-12-31 13F MARATHON PETE COM 56585A102 8,529 951 12.55 353 59.01 0.0380
2020-10-09 2020-09-30 13F MARATHON PETE COM 56585A102 7,578 418 5.84 222 -17.16 0.0285
2020-07-08 2020-06-30 13F MARATHON PETE COM 56585A102 7,160 7,160 268 0.0376
2020-04-24 2020-03-31 13F MARATHON PETE COM 56585A102 0 -4,448 -100.00 0 -100.00
2020-01-22 2019-12-31 13F MARATHON PETE COM 56585A102 4,448 645 16.96 259 12.12 0.0410
2019-10-22 2019-09-30 13F MARATHON PETE COM 56585A102 3,803 112 3.03 231 12.14 0.0424
2019-08-02 2019-06-30 13F MARATHON PETE COM 56585A102 3,691 3,691 206 0.0414
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.